<div id="background" style ="height: 400px;">
    <div style="text-align:left;" data-bind="dxForm: {
        formData: employeeData,
        colCount: 1,
        labelLocation: 'top',
        items: [
            'FirstName',
            'LastName',
            {
                itemType: 'tabbed',
                tabs: [
                    {
                        title: 'Info',
                        colCount: 2,
                        items: [
                            'Position',
                            'BirthDate',
                            'HireDate',
                            'City'
                        ]
                    },
                    {
                        title: 'Contacts',
                        items: [
                            'Phone',
                            'Email'
                        ]
                    }
                ]
            }
        ]
    }">
    </div>
</div>